Open Last Render
Saves and then opens the last rendered image in the imaging app of your choice.
Installation Instructions:
exit 3dsMax
copy 'Wahooney Tools - Renamify.mcr' to your 3dsmaxuimacroscripts directory.
restart 3dsMax
Bind the script to a Key - add it to a toolbar or Quad Menu in CustomizeCustomize User Interface.
**The script can be found in 'Wahooney Tools' category.